Stylish Electric Bicycle with CE Rear hub motor 250W Lithium battery, 36V/10Ah Alloy frame, ... , hub, 8FUN(famous brand) (best motor in China, high efficiency and durable)Battery: lithium, 36V / 10AhDerailleur: Japan, Shimano, outer 6 or ... 7 gears, precise and reliable shiftingFrame: Aluminum alloyRim: Double-wall alloy, Stainless steel spokes ...